1981 EP7

1981EP7, 2001 VH44, 2001VH44, 43739, J81E07P, K01V44H

All data for this body: [vot]

MPC data
Name (number) 1981 EP7 (43739)
a 2.37476
e 0.14299
i / sin(i) 6.3316 / 0.11028
q 2.03519
Q 2.71433
ω 68.4693
Node 249.8862
m 248.1423
n 0.2693
Epoch 2460800.5
nobs 1750
nopp 21
Years observed 1981-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.376
ep 0.104
sin(ip) 0.126
G 0.150
H 15.230
Mass
D 3.29 0.687
pV 0.149 0.0718
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 26.393
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3755 0.1044 0.1259 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.29 0.687 0.687 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.149 0.0718 0.0718 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C X 0.1084 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.928 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3591 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5780 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5879 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6895 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8464 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT